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Octagon Window Issue - Need Help

15338 Views 4 Replies 3 Participants Last post by  capecodder
Hi guys,

I need help regarding an issue with an octagon window in my half bath. The rough opening is 23.5" by 23.5". Ive tried to find a replacement for my 28 year old octagon wooden window and this doesnt seem to be an easy task. The window is all rotted and I just moved into the place a year ago. I want to replace it before it begins to leak. Ive been replacing the current windows in the home with andersen 400 series dbl hung since they too are all rotted. I tried to get an andersen octagon window but the minimum rough opening is 24.5" x 24.5" and this would obviously leave me with an inch difference on each end. Im familiar with the andersen installation using their flange setup. I was looking at the pella octagon but this windows doesnt have flanges but require stops? I also dont want to replace it with a $100- dollar window at home depot. I would like something in vinyl construction or at least wood with vinyl exterior. Any ideas where I could look? I also dont want to modify the exterior clap board. Any help is greatly appreciated.

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Redo the framing. That window will be there for a long time, don't skimp by going to a cheapy window. You may even be able to cut out part of the old framing, if it is not part of the supporting structure. That type of window generally starts as a basic box opening which is then modified for the window. As long as the header is wide enough, changing the fill-in, is fairly easy.

IMHO, Andersen is an excellent choice, from a quality, as well as a value point of view.
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